上傳頁面
<%
@?page?language
=
"
java
"
?contentType
=
"
text/html;?charset=GB18030
"
????pageEncoding
=
"
GB18030
"
%>
<!
DOCTYPE?html?PUBLIC?"-//W3C//DTD?HTML?4.01?Transitional//EN"?"http://www.w3.org/TR/html4/loose.dtd"
>
<
html
>
<
head
>
<
meta?
http-equiv
="Content-Type"
?content
="text/html;?charset=GB18030"
>
<
title
>
Insert?title?here
</
title
>
</
head
>
<
body
>
<
form?
name
="form1"
?enctype
="multipart/form-data"
?method
="post"
?action
="file.jsp"
>
??上傳文件1:
<
input?
type
="file"
?name
="file1"
?size
="20"
?maxlength
="20"
><
br
>
??文件描述1:
<
input?
type
="text"
?name
="file1"
?size
="20"
?maxlength
="20"
><
br
><
br
>
??上傳文件2:
<
input?
type
="file"
?name
="file2"
?size
="20"
?maxlength
="20"
><
br
>
??文件描述2:
<
input?
type
="text"
?name
="file2"
?size
="20"
?maxlength
="20"
><
br
><
br
>
??上傳文件3:
<
input?
type
="file"
?name
="file3"
?size
="20"
?maxlength
="20"
><
br
>
??文件描述3:
<
input?
type
="text"
?name
="file3"
?size
="20"
?maxlength
="20"
><
br
><
br
>
??
<
input?
type
="submit"
?value
="submit"
/>
??
<
input?
type
="reset"
?value
="reset"
/>
</
form
>
</
body
>
</
html
>
?處理頁面
?
<%
@?page?language
=
"
java
"
?contentType
=
"
text/html;?charset=GB18030
"
????pageEncoding
=
"
GB18030
"
%>
<%
@?page?import
=
"
java.io.*,java.util.*,com.oreilly.servlet.MultipartRequest
"
?
%>
<%
@?taglib?prefix
=
"
fmt
"
?uri
=
"
http://java.sun.com/jsp/jstl/fmt
"
?
%>
<!
DOCTYPE?html?PUBLIC?"-//W3C//DTD?HTML?4.01?Transitional//EN"?"http://www.w3.org/TR/html4/loose.dtd"
>
<
html
>
<
head
>
<
meta?
http-equiv
="Content-Type"
?content
="text/html;?charset=GB18030"
>
<
title
>
Insert?title?here
</
title
>
</
head
>
<
fmt:requestEncoding?
value
="gb2312"
/>
<
body
>
<%
???
String
?saveDirectory
=
"
/upload
"
;?
//
設置上傳目錄
???
String
?contextPath
=
request.getSession().getServletContext().getRealPath(saveDirectory);
???System.out.println(contextPath);
???File?a
=
new
?File(contextPath);
???System.out.println(a.isDirectory());
???
if
(!a.isDirectory()){
??????a.mkdir();
???}
???
int
?maxPostSize
=
5
*
1024
*
1024
;?
//
設定大小為5M
???
String
??filename
=
null
;
???
String
??contentType
=
null
;
???
String
??description
=
null
;
???
int
?count
=
0
;
???MultipartRequest?multi
=
new
?MultipartRequest(request,contextPath,maxPostSize);
???
???
???
//
取得所有上傳文件輸入類型名稱及描述
???Enumeration?filesname
=
multi.getFileNames();
???Enumeration?filesdesc
=
multi.getParameterNames();
???
while
(filesname.hasMoreElements()){
?????
String
?name
=
(
String
)filesname.nextElement();
?????
String
?dc
=
(
String
)filesdesc.nextElement();
?????filename
=
multi.getFilesystemName(name);
?????contentType
=
multi.getContentType(name);
?????description
=
multi.getParameter(dc);
?????
if
(filename!
=
null
){
???????count
++
;
???????
%>
?????????您上傳第
<%
=
count?
%>
個文件:
<
br
>
?????????文件名：
<%
=
filename?
%>
<
br
>
?????????文件類型：
<%
=
contentType?
%>
<
br
>
?????????文件描述:?
<%
=
description?
%>
<
br
><
br
>
???????
<%
?????}
???}
?
%>
?
您總共上傳
<%
=
count?
%>
個文件
?
</
body
>
</
html
>
?
?
需要注意兩點：
（1）上傳目錄必須存在
（2）以上代碼暫時不支持中文，支持中文只需要改動
??????? ? String enCoding="gb2312";
??????? ? MultipartRequest multi=new MultipartRequest(request,contextPath,maxPostSize,enCoding);
????
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